JPH0414445U - - Google Patents
Info
- Publication number
- JPH0414445U JPH0414445U JP5396090U JP5396090U JPH0414445U JP H0414445 U JPH0414445 U JP H0414445U JP 5396090 U JP5396090 U JP 5396090U JP 5396090 U JP5396090 U JP 5396090U JP H0414445 U JPH0414445 U JP H0414445U
- Authority
- JP
- Japan
- Prior art keywords
- power
- commercial
- comparing
- detection unit
- detects
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Stand-By Power Supply Arrangements (AREA)
Description
第１図は本発明の一実施例を示す無停電電源装
置の全体のブロツク図、第２図は同停復電検出回
路のブロツク図、第３図は同停復電検出回路の具
体的な回路図、第４図は同各部の基本動作時の電
圧波形図、第５図は同商用入力低下時の各部の電
圧波形図、第６図は同商用入力の不規則な乱れに
対する各部の電圧波形図、第７図は従来例を示す
電圧波形図である。
１……停復電検出回路、３……インバータ、４
……バツテリー、８……切替回路、９……停電検
出部、１０……復電検出部。
Figure 1 is an overall block diagram of an uninterruptible power supply according to an embodiment of the present invention, Figure 2 is a block diagram of a power failure/recovery detection circuit, and Figure 3 is a detailed diagram of the same power failure/recovery detection circuit. Circuit diagram, Figure 4 is a voltage waveform diagram of each part during basic operation, Figure 5 is a voltage waveform diagram of each part when the commercial input drops, and Figure 6 is the voltage of each part in response to irregular disturbances in the same commercial input. Waveform diagram FIG. 7 is a voltage waveform diagram showing a conventional example. 1...Power failure/recovery detection circuit, 3...Inverter, 4
... battery, 8 ... switching circuit, 9 ... power failure detection section, 10 ... power restoration detection section.
Claims (1)
テリー４から負荷に電力を供給するようにした無
停電電源装置において、商用入力と同期したパル
スを基準パルスと比較して停電を瞬時に検出する
停電検出部９と、商用入力と比例する直流電圧を
遅延させ復電検出レベルと比較して復電を検出す
る復電検出部１０とを備えたことを特徴とする無
停電電源装置。 In an uninterruptible power supply that supplies power from a battery 4 to a load via an inverter 3 during a commercial power outage, a power outage detection unit instantly detects a power outage by comparing a pulse synchronized with the commercial input with a reference pulse. 9, and a power recovery detection unit 10 that detects power recovery by delaying a DC voltage proportional to a commercial input and comparing it with a power recovery detection level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5396090U JPH0414445U (en) | 1990-05-23 | 1990-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5396090U JPH0414445U (en) | 1990-05-23 | 1990-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0414445U true JPH0414445U (en) | 1992-02-05 |
Family
ID=31575599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5396090U Pending JPH0414445U (en) | 1990-05-23 | 1990-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0414445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016223856A (en) * | 2015-05-28 | 2016-12-28 | 大同信号株式会社 | Power outage detection circuit for power supply switching device |
-
1990
- 1990-05-23 JP JP5396090U patent/JPH0414445U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016223856A (en) * | 2015-05-28 | 2016-12-28 | 大同信号株式会社 | Power outage detection circuit for power supply switching device |
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